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Cabin John Creek

Maryland Tributary

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This tributary of the Potomac starts in Rockville, Md., and flows for 10.9 miles to the Potomac, through the Cablin John Stream Valley park and the Cabin John Regional Park. The Union Arch Bridge (also known as the Cabin John Bridge) carries the Washington Aqueduct over the creek. It also has one-lane of traffic. The Bridge was built in the 1860s and is a national Civil Engineering landmark.

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Contact Information
Maryland Department of Natural Resources